| 一类时滞微分方程有非负解的研究 |
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| 引用本文： | 杨万顺.一类时滞微分方程有非负解的研究[J].潍坊学院学报,2012(2):42-43. |
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| 作者姓名： | 杨万顺 |
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| 作者单位： | 潍坊学院,山东潍坊,261061 |
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| 摘 要： | 本文给出了一类时滞微分方程解为正解的充分条件,为了应用方便,还研究了在比较简单条件下有正解的情况,并说明了时滞对方程解的非负性的影响。
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| 关 键 词： | 时滞微分方程 正解 非负解 |
The Research on Nonnegativity of Some Delay Differential Equation |
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| YANG Wan-shun.The Research on Nonnegativity of Some Delay Differential Equation[J].Journal of Weifang University,2012(2):42-43. |
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| Authors: | YANG Wan-shun |
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| Institution: | YANG Wan-shun(Weifang university,Weifang 261061,China) |
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| Abstract: | This paper gives some sufficient conditions which guarantee the solution of delay differential equations to be positive,In order to apply conveniently,We also study the positive solution under some simple sufficient conditions,and explain the influence of the time delay to the nonnegativity of the solution. |
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| Keywords: | delay differential equations positive solutions nonnegativity |
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